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Green River Energy Center Starts Commercial Operations in Utah

Delivering multi‑hour dispatchable power, it signals growing investor support for large‑scale battery storage under Utah’s Operation Gigawatt.

Overview

  • rPlus Energies announced on June 23, 2026, that the Green River Energy Center has begun commercial operations, supplying PacifiCorp with 400 MW of solar and a 400 MW/1,600 MWh battery.
  • The project closed roughly $1.6 billion in financing, consisting of about $1.1 billion in construction debt and more than $500 million in tax‑equity commitments.
  • Major suppliers and contractors include Tesla Megapacks for the battery system, Elite Solar for PV modules, Sundt Renewables as EPC, and Nextpower trackers with nearly one million solar panels installed.
  • Project partners say Green River will produce over $55 million in property taxes over its life, funded hundreds of construction jobs, committed $375,000 in local scholarships, and donated $45,000 to the nearby Ferron Fire Department.
  • As rPlus’s first utility‑scale asset, the center provides multi‑hour evening dispatch that can shift solar output into peak demand hours and could serve as a financing and supply‑chain model for more long‑duration storage projects in the U.S. West.